OpenTechnical

OT-2026-000068074

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000068074) never changes.

Identity and time

Publication numberOT-2026-000068074 · never reused
Internal UUID01a0ae8f-c4fe-7d80-9031-bfaef881dcf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068074
StatusPUBLIC

Content hashes

Canonical textfb0d7adfeca79145ce3c0d89069044a681885bdab69a8e53f3e7f0818bb39027
Markdown2058e1f3687a11ef4b324ead82b67f749776125cad8775ce0690064d7af2678b
PDF
Publication page9e14894457007048dfa4c5768102ef34585695e0c9a071b6e1cd4cc183a8a9a0
Manifeste3f2a4950e2e5cd331b9f98757979d9f9492bf14faf05cf7ab3175eee3aabd1d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature7ur2VpW6hEAWZS6UxHQCB3X0mwKmVKO5ClYBDqBbGa+Xjvx5QePBEHzkDfc4ojh7j9t9Ljq0F22qU1c5pxEuBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:39.824574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068074
observed 9e14894457007048dfa4c5768102ef34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.804037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068074/manifest.json
observed e3f2a4950e2e5cd331b9f98757979d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.784376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068074/publication.md
observed 2058e1f3687a11ef4b324ead82b67f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.767837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068074/publication.txt
observed fb0d7adfeca79145ce3c0d89069044a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.